More commonly, there is a version of Shanghai that is a contract rummy game. Shanghai which will be discussed in this article is a variation of manipulation rummy. NUMBER OF PLAYERS: 3-5 players NUMBER OF CARDS: Two 52 card decks RANK OF CARDS: K (high), Q, J, 10, 9, 8, 7, 6, 5, 4, 3, 2, A TYPE OF GAME: Manipulation Rummy AUDIENCE: All Ages OBJECTIVE OF SHANGHAI: Play all cards in hand by melding them.